Rename Origin.unique() to opaque().

extensions/browser/extension_web_contents_observer.cc

Index: extensions/browser/extension_web_contents_observer.cc
diff --git a/extensions/browser/extension_web_contents_observer.cc b/extensions/browser/extension_web_contents_observer.cc
index fa3c92537fdea499a4838fab9a7e728b45958b28..370c08244031579411eae693bf8b03bf67ac2c7d 100644
--- a/extensions/browser/extension_web_contents_observer.cc
+++ b/extensions/browser/extension_web_contents_observer.cc
@@ -225,8 +225,8 @@ const Extension* ExtensionWebContentsObserver::GetExtensionFromFrame(
     const url::Origin& origin(render_frame_host->GetLastCommittedOrigin());
     // Without site isolation, this check is needed to eliminate non-extension
     // schemes. With site isolation, this is still needed to exclude sandboxed
-    // extension frames with a unique origin.
-    if (origin.unique() ||
+    // extension frames with an opaque origin.
+    if (origin.opaque() ||
         site_url != content::SiteInstance::GetSiteForURL(browser_context,
                                                          origin.GetURL()))
       return nullptr;